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authorSebastian Ott <sebott@linux.vnet.ibm.com>2010-10-25 16:10:31 +0200
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-10-25 16:10:18 +0200
commitc38a90a34cfc880eb2f7234c511cdb7d8bdebc45 (patch)
treecf10e8b31b59c3f4734fd8254468f4cc83efdcaf /drivers/s390/cio/chsc.c
parent906c9768c7750ce76b85597174b9c3599a6ca9f6 (diff)
[S390] cio: update descriptor in chsc_chp_vary
Update the channel path descriptor at the beginning of to the vary_on operation. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/chsc.c')
-rw-r--r--drivers/s390/cio/chsc.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 27aca3906a5..44d7cc2f973 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -495,6 +495,7 @@ __s390_vary_chpid_on(struct subchannel_id schid, void *data)
*/
int chsc_chp_vary(struct chp_id chpid, int on)
{
+ struct channel_path *chp = chpid_to_chp(chpid);
struct chp_link link;
memset(&link, 0, sizeof(struct chp_link));
@@ -504,11 +505,12 @@ int chsc_chp_vary(struct chp_id chpid, int on)
/*
* Redo PathVerification on the devices the chpid connects to
*/
-
- if (on)
+ if (on) {
+ /* Try to update the channel path descritor. */
+ chsc_determine_base_channel_path_desc(chpid, &chp->desc);
for_each_subchannel_staged(s390_subchannel_vary_chpid_on,
__s390_vary_chpid_on, &link);
- else
+ } else
for_each_subchannel_staged(s390_subchannel_vary_chpid_off,
NULL, &link);